Title :
A numerical method for tunable filter with weighted coupling
Author :
Yang, J.S. ; Fan, G.F. ; Zhu, J.P. ; Sun, C.K. ; Zhu, Y.H.
Author_Institution :
Dept. of Appl. Phys., Tianjin Univ., China
Abstract :
A new approach based on the finite element-artificial transmitting boundary method was presented and numerical examples are shown for AOTF´s with a tapered acoustical directional coupler on a LiNbO3.
Keywords :
acoustic couplers; acousto-optical filters; boundary-elements methods; finite element analysis; integrated optics; lithium compounds; optical directional couplers; optical tuning; AOTFs; LiNbO3; acoustical directional coupler; acoustooptical tunable filter; artificial transmitting boundary method; finite element method; weighted coupling; Acoustic propagation; Acoustic waveguides; Directional couplers; Electromagnetic scattering; Finite element methods; Optical coupling; Optical filters; Optical scattering; Optical waveguides; Surface acoustic waves;
Conference_Titel :
Numerical Simulation of Semiconductor Optoelectronic Devices, 2003. NUSOD 2003. Proceedings of the IEEE/LEOS 3rd International Conference on
Print_ISBN :
0-7803-7992-6
DOI :
10.1109/NUSOD.2003.1259050
